net.hasor.plugins.transaction.TransactionLevel Maven / Gradle / Ivy
/*
* Copyright 2008-2009 the original ??????([email protected]).
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.hasor.plugins.transaction;
import java.sql.Connection;
/**
* ??????뼶??
* @version : 2013-10-30
* @author ??????([email protected])
*/
public enum TransactionLevel {
/**Ĭ????????뼶?𣬾???ʹ?õ????ݿ???????뼶???ɵײ??????
* @see java.sql.Connection*/
ISOLATION_DEFAULT(-1),
/**
* ???
* ???????ȡ?????????????¶?ʧ?????һ???????Ѿ???ʼд???ݣ?
* ??????һ????????????ͬʱ????д????????????????????????????ݡ?
* @see java.sql.Connection#TRANSACTION_READ_UNCOMMITTED
*/
ISOLATION_READ_UNCOMMITTED(Connection.TRANSACTION_READ_UNCOMMITTED),
/**
* ?????ظ???
*
?????????ظ???ȡ?????????????ȡ????ȡ???ݵ???????????????????????ʸ??????ݣ?
* ????δ?ύ??д?????ֹ??????????ʸ??С?
* @see java.sql.Connection#TRANSACTION_READ_COMMITTED
*/
ISOLATION_READ_COMMITTED(Connection.TRANSACTION_READ_COMMITTED),
/**
* ???ظ???ȡ
*
??ֹ?????ظ???ȡ?????????????ʱ???ܳ??ֻ?Ӱ???ݡ?
* ??ȡ???ݵ??????ֹд??????????????д???????ֹ?κ?????????
* @see java.sql.Connection#TRANSACTION_REPEATABLE_READ
*/
ISOLATION_REPEATABLE_READ(Connection.TRANSACTION_REPEATABLE_READ),
/**
* ͬ??????
*
?ṩ?ϸ????????롣??Ҫ?????????л?ִ?У?????ֻ??һ??????һ????ִ?У??????ܲ???ִ?С?
* @see java.sql.Connection#TRANSACTION_SERIALIZABLE
*/
ISOLATION_SERIALIZABLE(Connection.TRANSACTION_SERIALIZABLE);
//
private int value;
TransactionLevel(int value) {
this.value = value;
}
protected int value() {
return this.value;
}
}